[w3m-dev 03127] X-Face

* NEWS: X-Face support
* configure (use_xface): added
* config.h.dist (USE_XFACE): added
	(XFACE2XBM): added
* file.c (xface2xbm): added
	(readHeader): X-Face: handling
* scripts/Makefile (LIB_TARGETS): add xface2xbm
* scripts/xface2xbm.in: added
From: Hironori Sakamoto <hsaka@mth.biglobe.ne.jp>

scripts/xface2xbm.in

@@ -0,0 +1,54 @@
+#!@PERL@
+
+# See http://www.lab3.kuis.kyoto-u.ac.jp/~tsumura/emacs/x-face.html
+$UNCOMPFACE = "uncompface";
+
+$xf = "";
+while(<>) {
+#	s/^X-Face://i if ($xf eq "");
+	$xf .= $_;
+}
+
+pipe(R, W2);
+pipe(R2, W);
+if (! fork()) {
+	close(R);
+	close(W);
+	open(STDIN, "<&R2");
+        open(STDOUT, ">&W2");
+	exec $UNCOMPFACE;
+	die;
+}
+close(R2);
+close(W2);
+print W $xf;
+close(W);
+while(<R>) {
+	while(s/0x(..)(..)//) {
+		push(@bm, hex($1), hex($2));
+	}
+}
+close(R);
+
+$W = 48;
+$H = @bm * 8 / $W;	# must be 48
+print <<EOF;
+#define xf_width $W
+#define xf_height $H
+static char xf_bits[] = {
+EOF
+while (@bm) {
+	for (1..6) {
+		$x = shift @bm;
+		$y = 0;
+		for $i (1 .. 8) {
+			$y |= ($x & 1) << (8 - $i);
+			$x >>= 1;
+		}
+		printf " 0x%02X,", $y;
+	}
+	print "\n";
+}
+print <<EOF;
+};
+EOF